Finding the Fourth Proportional to 1,862.37, 2,789.82 and 889.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,862.37 : 2,789.82 = 889.11 : x
2. Step 2: Convert to fraction form
   1,862.37/2,789.82 = 889.11/x
3. Step 3: Cross multiply
   1,862.37x = 2,789.82 × 889.11
4. Step 4: Simplify right side
   1,862.37x = 2,480,456.86
5. Step 5: Solve for x
   x = 2,480,456.86/1,862.37
6. Step 6: Final answer
   x = 1,331.88